/Engine/Plugins/Experimental/Mutable/Source/MutableRuntime/Public/MuR/Image.h
This struct contains image operations that may need to allocate and free temporary images to work. It's purpose is to override the creation, release and clone functions depending on the context.
struct FImageOperator
FImageCloneFunc
CloneImage
FImageCreateFun...
CreateImage
FImageReleaseFu...
ReleaseImage